#!/bin/bash
# Copyright (c) 2022, 2025, Oracle and/or its affiliates.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License, version 2.0,
# as published by the Free Software Foundation.
#
# This program is designed to work with certain software (including
# but not limited to OpenSSL) that is licensed under separate terms,
# as designated in a particular file or component or in included license
# documentation.  The authors of MySQL hereby grant you an additional
# permission to link the program and your derivative works with the
# separately licensed software that they have either included with
# the program or referenced in the documentation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
# the GNU General Public License, version 2.0, for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

postincludel='@postinclude \{#include "mysqlshdk/libs/parser/MySQLBaseLexer.h"\}\n\n@header {// clang-format off\n'
postincludep='@postinclude \{#include "mysqlshdk/libs/parser/MySQLBaseRecognizer.h"\}\n\n@header {// clang-format off\n'

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

# Convert lexer grammar from TS to C++
sed -e 's/this\.type = \([^;]*\);/setType(\1);/g'\
  -e 's/this\.text/getText()/g'\
  -e 's/this\.//g'\
  -e 's/SqlMode\.//g'\
  -e 's/MySQLLexer\.//g'\
  -e '/^import {.*}.*from.*/d'\
  -e '/.*eslint-disable.*/d'\
  -e "s:@header {:$postincludel:"\
   "${SCRIPT_DIR}/in/MySQLLexer.g4" > "${SCRIPT_DIR}/MySQLLexer.g4"

# Convert parser grammar from TS to C++
sed -e 's/this\.//g'\
  -e 's/SqlMode\.//g'\
  -e '/^import {.*}.*from/d'\
  -e '/.*eslint-disable.*/d'\
  -e "s:@header {:$postincludep:"\
   "${SCRIPT_DIR}/in/MySQLParser.g4" > "${SCRIPT_DIR}/MySQLParser.g4"

OUTPUT_DIR="$(dirname "${SCRIPT_DIR}")/mysql"

ANTLR_CMD=antlr

if [ ! -z "${ANTLR_JAR_LOCATION}" ]
then
  ANTLR_CMD="java -jar ${ANTLR_JAR_LOCATION}"
fi

# Build the parser+lexer
${ANTLR_CMD} -Dlanguage=Cpp -listener -visitor -o "${OUTPUT_DIR}" -package parsers "${SCRIPT_DIR}/MySQLLexer.g4" "${SCRIPT_DIR}/MySQLParser.g4"
